− 2 u 3 v 4 + 2 u 3 v 3 − u 3 v 2 − u 2 v 5 + 3 u 2 v 4 − 5 u 2 v 3 + 3 u 2 v 2 − u 2 v − u v 4 + 3 u v 3 − 5 u v 2 + 3 u v − u − v 3 + 2 v 2 − 2 v u 3 / 2 v 5 / 2 {\displaystyle {\frac {-2u^{3}v^{4}+2u^{3}v^{3}-u^{3}v^{2}-u^{2}v^{5}+3u^{2}v^{4}-5u^{2}v^{3}+3u^{2}v^{2}-u^{2}v-uv^{4}+3uv^{3}-5uv^{2}+3uv-u-v^{3}+2v^{2}-2v}{u^{3/2}v^{5/2}}}}